5342521 has 2 divisors, whose sum is σ = 5342522. Its totient is φ = 5342520.

The previous prime is 5342503. The next prime is 5342543. The reversal of 5342521 is 1252435.

It is an a-pointer prime, because the next prime (5342543) can be obtained adding 5342521 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5112121 + 230400 = 2261^2 + 480^2 .

It is a cyclic number.

It is not a de Polignac number, because 5342521 - 2⁵ = 5342489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5342492 and 5342501.

It is not a weakly prime, because it can be changed into another prime (5342551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2671260 + 2671261.

It is an arithmetic number, because the mean of its divisors is an integer number (2671261).

Almost surely, 2^5342521 is an apocalyptic number.

It is an amenable number.

5342521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5342521 is an equidigital number, since it uses as much as digits as its factorization.

5342521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 22.

The square root of 5342521 is about 2311.3894089919. The cubic root of 5342521 is about 174.8163624681.

Adding to 5342521 its reverse (1252435), we get a palindrome (6594956).

The spelling of 5342521 in words is "five million, three hundred forty-two thousand, five hundred twenty-one".